Disc for a fastening device



FIG. 1 is a front view of the disc for a fastening device showing our new design;

FIG. 2 is a right side view thereof, the left side being a mirror image thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top front perspective view thereof;

FIG. 5 is a top front perspective view thereof showing the environment of use of the design;

FIG. 6 is a is a top front perspective view thereof showing the environment of use of the design;

FIG. 7 is a is a top front perspective view thereof showing the environment of use of the design; and,

FIG. 8 is a is a top front perspective view thereof showing the environment of use of the design.

The broken lines shown in the figures form no part of the claimed design. 

CLAIM The ornamental design for a disc for a fastening device, shown and described. 